CN106107335A - Potato starch processing juice lactic acid beverage and preparation method thereof - Google Patents

Potato starch processing juice lactic acid beverage and preparation method thereof Download PDF

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Publication number
CN106107335A
CN106107335A CN201610446423.5A CN201610446423A CN106107335A CN 106107335 A CN106107335 A CN 106107335A CN 201610446423 A CN201610446423 A CN 201610446423A CN 106107335 A CN106107335 A CN 106107335A
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Prior art keywords
juice
lactic acid
potato starch
gains
enzymolysis
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Inventor
申光辉
陈安均
余国贤
王竹
谢明毅
张欣雨
符珊
张志清
黎杉珊
刘兴艳
吴贺君
罗擎英
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Sichuan Agricultural University
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Sichuan Agricultural University
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L2/00Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation
    • A23L2/38Other non-alcoholic beverages
    • A23L2/382Other non-alcoholic beverages fermented
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2400/00Lactic or propionic acid bacteria
    • A23V2400/11Lactobacillus
    • A23V2400/169Plantarum
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2400/00Lactic or propionic acid bacteria
    • A23V2400/11Lactobacillus
    • A23V2400/173Reuteri
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2400/00Lactic or propionic acid bacteria
    • A23V2400/21Streptococcus, lactococcus
    • A23V2400/249Thermophilus

Abstract

The invention provides the preparation method of a kind of potato starch processing juice lactic acid beverage, the method is by carrying out enzymolysis to potato starch processing juice, then utilize Lactobacillus plantarum, Lactobacillus reuteri and streptococcus thermophilus as fermented bacterium, obtain free from extraneous odour, sour-sweet moderate, no whey precipitation and the potato starch processing juice lactic acid beverage having good stability by bio-fermentation engineering.Sour milk beverage product of the present invention does not contain only the lactic acid bacteria of presently commercially available like product, adjust intestinal bacterial flora, promote the prebiotic functions such as alimentation, contain the functional activity material composition such as antioxidation in Rhizoma Solani tuber osi, anticancer, control blood glucose simultaneously, be suitable for various people's consumption and drink;Present invention process is simple, is suitable for sizable application, has good market prospect.

Description

Potato starch processing juice lactic acid beverage and preparation method thereof
Technical field
The invention belongs to food processing field, be specifically related to potato starch processing juice lactic acid beverage and preparation side thereof Method.
Background technology
China is Rhizoma Solani tuber osi production and consumption big country, along with proposition and the enforcement of country's Rhizoma Solani tuber osi staple foodization strategy, as The potato starch market demand of staple food base stock will increase sharply.But China's potato starch is processed at present Journey needs extracting in water repeatedly, produces substantial amounts of by-product and discard juice.The discarded juice of potato starch processing contains There are the inorganic nutrients units such as the organic nutrient substance such as substantial amounts of water soluble protein and saccharide, a small amount of starch, fiber, and potassium, phosphorus, calcium Element, the water pollution index such as COD, BOD, SS is the highest, and direct discharge can cause body eutrophication, it is necessary to treated reach country Just can drain in environment after standard.And the processing method such as bioanalysis of main flow, tradition flocculent precipitation, membrance separation precipitate at present Although method, natural sedimentation etc. to a certain degree reduce associated contamination index, but because treatment facility investment is big, operating cost high because of Element, actual application.Therefore the discarded juice of potato starch processing has become the problem that processing enterprise needs solution badly.
From the point of view of water body environment pollution angle, it is the highest that juice contaminative index is discarded in potato starch production and processing, enters Environmental effect Water quality, but these pollutant all belong to nontoxic organic nutrient substance, become with other industrial wastewaters Point entirely different, do not contain the hazardous contaminants such as heavy metal, and rich in a large amount of transformable nutrient substance compositions, as rich in The lysine lacked in corn, calcium, potassium content are high, contain the multiple bioactive ingredients of Rhizoma Solani tuber osi in addition, live including albumen, biology Property peptide, glycoalkaloid, various enzyme, enzyme inhibitor and polyphenol compound etc., these compositions have been observed that have antioxidation, Blood pressure lowering, fat-reducing control the functions such as blood glucose, play important work at aspects such as prevention and treatment cancer, diabetes and cardiovascular disease With.
Therefore, the discarded juice of Potato ring rot bacteria Starch formation recycles and has a high potential.Traditional physics, chemical treatment Technique only considers how the so-called pollutant load reducing in discarded juice, and ignores wherein nutrient substance and other work The recovery of property composition and comprehensive utilization, cause the huge waste of resource.Therefore, discarded juice Middle nutrition material is fully recycled Composition, is processed into heath-function food, not only can reduce the financial burden of sewage disposal, also can realize resource and effectively turn Change and utilize, increase Enterprise Integrated economic benefit, improve market competitiveness of enterprises, it is achieved the Green Development of Potato Industry.
But, waste potato starch liquid has starchy taste and other bad fishy smell, it is difficult to be prepared as popular acceptable Excellent flavor beverage.Although " waste potato starch liquid increment processing technique " describes the method eliminated the unusual smell, but it is processed into This highest (needing to use ion exchange resin and activity carbon treatment process), and the loss of nutrient substance can be caused, uncomfortable In industrialization food processing field.
In sum, this area urgently seek a kind of low cost, Potato ring rot bacteria starch can be utilized to discard juice prepare Nutritious, the method for excellent in flavor beverage.
Summary of the invention:
For the shortcoming of prior art, an object of the present invention is to provide a kind of potato starch processing juice lactic acid The preparation method of beverage, the method comprises the steps:
(1) take potato starch processing produce fresh discarded juice, after filtering and impurity removing, add thermostable α-amylase and Saccharifying enzyme carries out enzymolysis, it is thus achieved that enzymolysis juice;
(2) sugar content of regulating step (1) gained enzymolysis juice is 12~18%, and protein content is 1.0~4.5%, And to add weight be gained enzymolysis juice gross weight 0.5~the complex stabilizer of 1.5%, then carry out homogenizing and sterilization processing;Institute Stating the mixture that complex stabilizer is sodium carboxymethyl cellulose and pectin, the weight ratio of sodium carboxymethyl cellulose and pectin is 2:1 ~1:2;
(3) bacterial strain is accessed the degreasing milk medium of step (2) gains containing variable concentrations, tames training step by step Support;Described bacterial strain is Lactobacillus plantarum, Lactobacillus reuteri and streptococcus thermophilus;The domestication of above-mentioned three kinds of bacterial strains is cultivated as respectively Carry out;
(4) in the bacterial population ratio than 0.5:1:0.5~1:0.5:1, by Lactobacillus plantarum, Lactobacillus reuteri and thermophilic Streptococcus mixes;Described Lactobacillus plantarum and Lactobacillus reuteri have passed through the domestication of step (3) and cultivate;
(5) step (4) gains are inoculated in step (2) gains, in 37~43 DEG C of bottom fermentations 3~8h, after terminating It is placed in 4 DEG C and carries out after-ripening 6~12h;
(6) step (5) gains are carried out aseptic packaging or sterilization processing, it is thus achieved that viable type or antibacterial type Rhizoma Solani tuber osi are formed sediment Powder processing juice lactic acid beverage;Wherein viable type product lactic acid bacteria sum >=106cfu/mL。
As shown in the experimental example of the present invention, without enzymolysis processing, gained yogurt does not only has granular sensation, and uncooked amylum raw meat Taste is obvious, and palatability is very poor, and acceptance is relatively low.
Although after enzymolysis processing, uncooked amylum fishy smell is weakened, but its fishy smell is clear and legible, it is impossible to obtain The yogurt of good taste.
As shown in the experimental example of the present invention, the present inventor attempts utilizing the method for biofermentation to remove Rhizoma Solani tuber osi and forms sediment The bad fishy smell of powder processing juice, but, utilize normal fermentation bacterium fermentation gained lactic acid or still there is the fishy smell that can distinguish, or Acidity is the best, or has milk surum to separate out, it is difficult to obtain colory yogurt product.Through substantial amounts of experiment, inventor finds, Cultivate when Lactobacillus plantarum, Lactobacillus reuteri and streptococcus thermophilus being carried out domestication, and press bacterial population than 0.5:1:0.5~1: When fermenting as zymocyte after the ratio mixing of 0.5:1, gained yogurt does not only have uncooked amylum fishy smell, and sour-sweet degree is fitted In, no whey separates out, and stability is fine, and under 4 DEG C of holding conditions, in the 20d time, bacterium number will not substantially reduce, albumen Matter content is not less than 1g/100mL, acidity >=65 ° T.
Gained yogurt of the present invention is creamy white to light brown, the smooth exquisiteness of mouthfeel, sour-sweet moderate, has lactic acid bacteria fermentation Faint scent, without starchy taste and other smells, is in close proximity to other sour milk beverages commercially available.
Preferably, in step (1), the addition of thermostable α-amylase and saccharifying enzyme is respectively 150~200U/mL and 200 ~350U/mL.
Preferably, during enzymolysis, the method for enzymolysis is: be initially charged thermostable α-amylase, and 65~80 DEG C carry out liquefaction and process 10 ~20min, slightly cool down, add saccharifying enzyme, 60~62 DEG C carry out saccharifying and process 30~50min.
Preferably, in step (2), during regulation sugar content, utilization is sucrose;Regulation protein content time, utilization be Fresh cow milk or skimmed milk powder;The method of described homogenizing is: homogenizing 10~15min at 5~10MPa, 50~55 DEG C;Described sterilization The method processed is: sterilization 10~30min at 80~105 DEG C.
Preferably, the method taming cultivation described in step (3) step by step is: bacterial strain is sequentially ingressed into containing 10%, 30%, 50%, the degreasing milk medium of step (2) gains of 60%, 80%, tames cultivation step by step, cultivates 4~8h for every grade at 37 DEG C, Obtain containing bacterium 108The fermentation liquid of CFU/mL.
Preferably, the inoculum concentration in step (5) is 1-5%.
Preferably, after step (5) and before step (6), further comprise the steps of: and step (5) gains are carried out homogenizing Process.It is furthermore preferred that before step (5) gains are carried out homogenizing process, step (5) gains are carried out acid adjustment process.Institute The method stating homogenizing is: in 15~20MPa pressure, 50~55 DEG C of homogenizing 5~10min.
Further object is that and the potato starch processing juice lactic acid prepared by said method is provided Beverage.
Beneficial effects of the present invention:
(1) present invention carries out the pretreatment of the discarded juice of potato starch processing by adding Starch Hydrolysis enzyme so that it is A small amount of starch of middle residual is all hydrolyzed to the little molecule carbon source material that lactic acid bacteria can directly utilize, and on the one hand improves lactic acid The efficiency of bacterium fermentation, eliminates the starch granules impact on sour milk beverage stability simultaneously.
(2) gained yogurt of the present invention does not has the bad fishy smell of the discarded juice of potato starch processing, mild acidity, does not has breast Clear precipitation, and stability is fine;
(3) the sour milk beverage product that the present invention provides does not contains only the lactic acid bacteria of presently commercially available like product, adjusts intestinal Bacteria flora, promotes the prebiotic functions such as alimentation, contains the function such as antioxidation in Rhizoma Solani tuber osi, anticancer, control blood glucose simultaneously and lives Property material composition, be suitable for various people consumption drink;
(4) present invention process is simple, is suitable for sizable application, has good market prospect.
Detailed description of the invention
Below by embodiment, the present invention is specifically described, it is necessary to it is pointed out here that be that following example are simply used In the present invention is further detailed, it is impossible to be interpreted as limiting the scope of the invention, being skilled in technique of this field Some nonessential improvement and adjustment that personnel are made according to foregoing invention content, still fall within protection scope of the present invention.
Embodiment 1
(1) potato starch discards juice by enzymolysis process
The fresh discarded juice (less than 6h after processing) potato starch processing produced, through 100 mesh filter-cloth filterings, removes Remove large granular impurity composition.Adding thermostable α-amylase according to 150U/mL addition, 65 DEG C carry out liquefaction and process 20min, slightly Cooling, adds saccharifying enzyme according still further to 200U/mL, and (two kinds of enzyme preparations are commercial solid or fluid product), 60 DEG C carry out saccharifying Process 50min, it is thus achieved that enzymolysis juice.
(2) the fermentation allotment of juice composition, homogenizing, sterilization
The enzymolysis juice 1st step obtained adds sucrose makes sugar content reach 12%, adds fresh cow milk or skimmed milk powder, makes Its protein content, to 1.0%, adds the complex stabilizer of 0.5% (relative to enzymolysis juice gross weight), after stirring and dissolving mixing, At 5MPa, homogenizing 15min at 50 DEG C, after homogenizing completes, sterilize at 80 DEG C 30min, is cooled to 40 DEG C of effects.Complex stabilizer For sodium carboxymethyl cellulose, pectin, the two ratio is 2:1.
(3) prepared by lactic acid bacteria fermentation seed liquor
Respectively leaven is sequentially ingressed into containing 10%, 30%, 50%, 60%, 80% (mass fraction) enzymolysis juice Degreasing milk medium, tames cultivation step by step, cultivates 4~8h for every grade, make bacterial strain adapt to the nutrient environment containing enzymolysis juice for 37 DEG C. Final acquisition contains bacterium 108The fermentation seed liquid of CFU/mL.Bacterial strain uses therefor is Lactobacillus plantarum, Lactobacillus reuteri, thermophilus Bacterium is commercially available fermented bacterium.
(4) inoculation fermentation
In the bacterial population ratio than 0.5:1:0.5~1:0.5:1 by Lactobacillus plantarum, Lactobacillus reuteri and thermophilus The fermentation seed liquid mixing of bacterium, is inoculated in the sterilized fermentation juice described in the 2nd step as total inoculum concentration 1%, and 37 DEG C issue Ferment 8h, terminates to be placed on 4 DEG C and carries out after-ripening 6h.
(5) secondary allotment, homogenizing
The fermented product above-mentioned 4th step obtained adds citric acid, malic acid acid adjustment, 15MPa pressure, 50 DEG C of homogenizing 10min.
(6) packed products
Eventually pass aseptic packaging or pack rear 85 DEG C of pasteurizes 20~30min, obtaining viable type or antibacterial type respectively Potato starch discards the sour milk beverage of juice processing and fermentation.Wherein viable type product lactic acid bacteria sum >=106Cfu/mL, Under 4 DEG C of holding conditions, in the 20d time, bacterium number will not substantially reduce, and protein content is not less than 1g/100mL, acidity >=65 ° T。
This product is creamy white to light brown, the smooth exquisiteness of mouthfeel, sour-sweet properly, there is the faint scent of lactic acid bacteria fermentation Taste, without starchy taste and other smells, is in close proximity to other sour milk beverages commercially available.
Embodiment 2
(1) potato starch discards juice by enzymolysis process
The fresh discarded juice (less than 6h after processing) potato starch processing produced, through 100 mesh filter-cloth filterings, removes Remove large granular impurity composition.Adding thermostable α-amylase according to 200U/mL addition, 80 DEG C carry out liquefaction and process 10min, slightly Cooling, adds saccharifying enzyme according still further to 350U/mL, and (two kinds of enzyme preparations are commercial solid or fluid product), 62 DEG C carry out saccharifying Process 30min, it is thus achieved that enzymolysis juice.
(2) the fermentation allotment of juice composition, homogenizing, sterilization
The enzymolysis juice 1st step obtained adds sucrose makes sugar content reach 18%, adds fresh cow milk or skimmed milk powder, makes Its protein content, to 4.5%, adds the complex stabilizer of 1.5% (relative to enzymolysis juice gross weight), after stirring and dissolving mixing, At 10MPa, homogenizing 10min at 55 DEG C, after homogenizing completes, sterilize at 105 DEG C 10min, is cooled to 40 DEG C of effects.Stable composition Agent is sodium carboxymethyl cellulose, pectin, and the two ratio is 1:2.
(3) prepared by lactic acid bacteria fermentation seed liquor
Respectively leaven is sequentially ingressed into containing 10%, 30%, 50%, 60%, 80% (mass fraction) enzymolysis juice Degreasing milk medium, tames cultivation step by step, cultivates 4~8h for every grade, make bacterial strain adapt to the nutrient environment containing enzymolysis juice for 37 DEG C. Final acquisition contains bacterium 108The fermentation seed liquid of CFU/mL.Bacterial strain uses therefor is Lactobacillus plantarum, Lactobacillus reuteri, thermophilus Bacterium is commercially available fermented bacterium.
(4) inoculation fermentation
In the bacterial population ratio than 0.5:1:0.5~1:0.5:1 by Lactobacillus plantarum, Lactobacillus reuteri and thermophilus The fermentation seed liquid mixing of bacterium, is inoculated in the sterilized fermentation juice described in the 2nd step as total inoculum concentration 5%, and 43 DEG C issue Ferment 3h, terminates to be placed on 4 DEG C and carries out after-ripening 12h.
(5) packed products
Eventually pass aseptic packaging or pack rear 85 DEG C of pasteurizes 20~30min, obtaining viable type or antibacterial type respectively Potato starch discards the sour milk beverage of juice processing and fermentation.Wherein viable type product lactic acid bacteria sum >=106Cfu/mL, Under 4 DEG C of holding conditions, in the 20d time, bacterium number will not substantially reduce, and protein content is not less than 1g/100mL, acidity >=65 ° T。
This product is creamy white to light brown, the smooth exquisiteness of mouthfeel, sour-sweet properly, there is the faint scent of lactic acid bacteria fermentation Taste, without starchy taste and other smells, is in close proximity to other sour milk beverages commercially available.
Embodiment 3
(1) potato starch discards juice by enzymolysis process
The fresh discarded juice (less than 6h after processing) potato starch processing produced, through 100 mesh filter-cloth filterings, removes Remove large granular impurity composition.Adding thermostable α-amylase according to 180U/mL addition, 70 DEG C carry out liquefaction and process 15min, slightly Cooling, adds saccharifying enzyme according still further to 250U/mL, and (two kinds of enzyme preparations are commercial solid or fluid product), 61 DEG C carry out saccharifying Process 40min, it is thus achieved that enzymolysis juice.
(2) the fermentation allotment of juice composition, homogenizing, sterilization
The enzymolysis juice 1st step obtained adds sucrose makes sugar content reach 16%, adds fresh cow milk or skimmed milk powder, makes Its protein content, to 2.5%, adds the complex stabilizer of 1% (relative to enzymolysis juice gross weight), after stirring and dissolving mixing, 5~10MPa, homogenizing 13min at 52 DEG C, after homogenizing completes, sterilize at 90 DEG C 20min, is cooled to 40 DEG C of effects.Stable composition Agent is sodium carboxymethyl cellulose, pectin, and the two ratio is 1:1.
(3) prepared by lactic acid bacteria fermentation seed liquor
Respectively leaven is sequentially ingressed into containing 10%, 30%, 50%, 60%, 80% (mass fraction) enzymolysis juice Degreasing milk medium, tames cultivation step by step, cultivates 4~8h for every grade, make bacterial strain adapt to the nutrient environment containing enzymolysis juice for 37 DEG C. Final acquisition contains bacterium 108The fermentation seed liquid of CFU/mL.Bacterial strain uses therefor is Lactobacillus plantarum, Lactobacillus reuteri, thermophilus Bacterium is commercially available fermented bacterium.
(4) inoculation fermentation
In the bacterial population ratio than 0.5:1:0.5~1:0.5:1 by Lactobacillus plantarum, Lactobacillus reuteri and thermophilus The fermentation seed liquid mixing of bacterium, is inoculated in the sterilized fermentation juice described in the 2nd step as total inoculum concentration 3%, and 40 DEG C issue Ferment 5h, terminates to be placed on 4 DEG C and carries out after-ripening 10h.
(5) secondary allotment, homogenizing
Do not carry out acid adjustment, 18MPa pressure, homogenizing 8min at 52 DEG C.
(6) packed products
Eventually pass aseptic packaging or pack rear 85 DEG C of pasteurizes 20~30min, obtaining viable type or antibacterial type respectively Potato starch discards the sour milk beverage of juice processing and fermentation.Wherein viable type product lactic acid bacteria sum >=106Cfu/mL, Under 4 DEG C of holding conditions, in the 20d time, bacterium number will not substantially reduce, and protein content is not less than 1g/100mL, acidity >=65 ° T。
This product is creamy white to light brown, the smooth exquisiteness of mouthfeel, sour-sweet properly, there is the faint scent of lactic acid bacteria fermentation Taste, without starchy taste and other smells, is in close proximity to other sour milk beverages commercially available.
Comparative example 1
In addition to not carrying out enzymolysis processing, remaining is consistent with embodiment 1.
Comparative example 2
During except fermentation, using outside pediococcus acidilactici, remaining is consistent with embodiment 1.
Comparative example 3
During except fermentation, using outside lactobacillus casei, remaining is consistent with embodiment 1.
Comparative example 4
During except fermentation, using outside Lactobacillus plantarum, remaining is consistent with embodiment 1.
Comparative example 5
During except fermentation, using outside Lactobacillus reuteri, remaining is consistent with embodiment 1.
Comparative example 6
During except fermentation, using outside streptococcus thermophilus, remaining is consistent with embodiment 1.
Experimental example
Embodiment 1-3 and comparative example 1-6 are carried out product sensory quality evaluation, and result is such as
Shown in Tables 1 and 2.
The impact on product sensory quality of table 1 enzymolysis processing
Use enzymatic hydrolysis residual starch to form monosaccharide molecule, relatively obtain the yogurt product of good stability without enzymolysis processing Product, eliminate product uncooked amylum stink smell (being shown in Table 1) simultaneously to a certain extent, but still remain the uncooked amylum fishy smell that can distinguish.
On the basis of enzymolysis, commercially available lactic acid bacteria used to fermentation screens, it is thus achieved that 3 kinds of fermenting properties are the most newborn Acid strain (wherein Lactobacillus reuteri individually ferments and can thoroughly deviate from uncooked amylum fishy smell), and the removing uncooked amylum that can ferment The lactic acid bacteria culturers (being shown in Table 2) of bad smell, but it has a small amount of milk surum precipitation phenomenon, by proportioning test repeatedly, with 3 kinds of differences Lactic acid bacteria proportioning Mixed inoculation ferments, and can obtain without uncooked amylum fishy smell, sour-sweet moderate, and the smooth exquisiteness of mouthfeel is analysed without obvious milk surum Go out, the sour milk beverage having good stability.Combine lactate fermentation eventually through enzymolysis, thoroughly eliminate residual starch to product stability Harmful effect with taste flavor, it is thus achieved that the potato fruit sour milk beverage product that organoleptic quality is all good.

Claims (10)

1. the preparation method of a potato starch processing juice lactic acid beverage, it is characterised in that described method includes walking as follows Rapid:
(1) take the fresh discarded juice that potato starch processing produces, after filtering and impurity removing, add thermostable α-amylase and saccharifying Enzyme carries out enzymolysis, it is thus achieved that enzymolysis juice;
(2) sugar content of regulating step (1) gained enzymolysis juice is 12~18%, and protein content is 1.0~4.5%, and adds Entering weight is gained enzymolysis juice gross weight 0.5~the complex stabilizer of 1.5%, then carries out homogenizing and sterilization processing;Described multiple Closing the mixture that stabilizer is sodium carboxymethyl cellulose and pectin, the weight ratio of sodium carboxymethyl cellulose and pectin is 2:1~1: 2;
(3) bacterial strain is accessed the degreasing milk medium of step (2) gains containing variable concentrations, tames cultivation step by step;Institute Stating bacterial strain is Lactobacillus plantarum, Lactobacillus reuteri and streptococcus thermophilus;The domestication of above-mentioned three kinds of bacterial strains is cultivated as to carry out respectively;
(4) in the bacterial population ratio than 0.5:1:0.5~1:0.5:1, by Lactobacillus plantarum, Lactobacillus reuteri and thermophilus Bacterium mixes;Described Lactobacillus plantarum and Lactobacillus reuteri have passed through the domestication of step (3) and cultivate;
(5) step (4) gains are inoculated in step (2) gains, in 37~43 DEG C of bottom fermentations 3~8h, terminate to be placed on 4 DEG C carry out after-ripening 6~12h;
(6) step (5) gains are carried out aseptic packaging or sterilization processing, it is thus achieved that viable type or antibacterial type potato starch add Work juice lactic acid beverage;Wherein viable type product lactic acid bacteria sum >=106cfu/mL。
Adding of method the most according to claim 1, it is characterised in that in step (1), thermostable α-amylase and saccharifying enzyme Dosage is respectively 150~200U/mL and 200~350U/mL.
Method the most according to claim 1 and 2, it is characterised in that during enzymolysis, the method for enzymolysis is: be initially charged high temperature resistant α Amylase, 65~80 DEG C carry out liquefaction and process 10~20min, slightly cool down, add saccharifying enzyme, and 60~62 DEG C carry out saccharifying process 30~50min.
Method the most according to claim 1, it is characterised in that in step (2), during regulation sugar content, utilization is sucrose; During regulation protein content, utilization is fresh cow milk or skimmed milk powder;The method of described homogenizing is: 5~10MPa, 50~55 Homogenizing 10~15min at DEG C;The method of described sterilization processing is: sterilization 10~30min at 80~105 DEG C.
Method the most according to claim 1, it is characterised in that the method taming cultivation described in step (3) step by step is: will Bacterial strain is sequentially ingressed into the skimmed milk containing step (2) gains that mass fraction is 10%, 30%, 50%, 60%, 80% and cultivates Base, tames cultivation step by step, cultivates 4~8h, obtain containing bacterium 10 for every grade at 37 DEG C8The fermentation liquid of CFU/mL.
Method the most according to claim 1, it is characterised in that the inoculum concentration in step (5) is 1-5%.
Method the most according to claim 1, it is characterised in that after step (5) and before step (6), also includes step Rapid: step (5) gains are carried out homogenizing process.
Method the most according to claim 7, it is characterised in that the method for described homogenizing is: in 15~20MPa pressure, 50 ~55 DEG C of homogenizing 5~10min.
Method the most according to claim 7, it is characterised in that before step (5) gains are carried out homogenizing process, to step Suddenly (5) gains carry out acid adjustment process.
10. the potato starch processing juice lactic acid beverage prepared according to method described in any one of claim 1-9.
CN201610446423.5A 2016-06-17 2016-06-17 Potato starch processing juice lactic acid beverage and preparation method thereof Pending CN106107335A (en)

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CN107334017A (en) * 2017-07-21 2017-11-10 河北卓达建材研究院有限公司 A kind of potato juice beverage, the processing technology and process equipment of a kind of potato juice beverage
CN108402370A (en) * 2017-06-20 2018-08-17 荆门百谷丰科技有限公司 A kind of fermented type potato solid beverage and preparation method thereof
CN109090436A (en) * 2018-09-07 2018-12-28 四川农业大学 A kind of deodorant flavouring method of potato processing juice
CN109593618A (en) * 2019-02-18 2019-04-09 四川农业大学 A kind of beer and preparation method thereof using the brewing of potato full-powder juice by-product
CN112515071A (en) * 2020-11-20 2021-03-19 广西南亚热带农业科学研究所 Potato composite fermentation juice and preparation method thereof
CN114601092A (en) * 2022-04-14 2022-06-10 河北工程大学 Sweet potato fermented beverage and preparation method thereof

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CN108402370A (en) * 2017-06-20 2018-08-17 荆门百谷丰科技有限公司 A kind of fermented type potato solid beverage and preparation method thereof
CN107334017A (en) * 2017-07-21 2017-11-10 河北卓达建材研究院有限公司 A kind of potato juice beverage, the processing technology and process equipment of a kind of potato juice beverage
CN109090436A (en) * 2018-09-07 2018-12-28 四川农业大学 A kind of deodorant flavouring method of potato processing juice
CN109593618A (en) * 2019-02-18 2019-04-09 四川农业大学 A kind of beer and preparation method thereof using the brewing of potato full-powder juice by-product
CN109593618B (en) * 2019-02-18 2022-08-05 四川农业大学 Beer brewed by using potato whole powder juice byproduct and preparation method thereof
CN112515071A (en) * 2020-11-20 2021-03-19 广西南亚热带农业科学研究所 Potato composite fermentation juice and preparation method thereof
CN114601092A (en) * 2022-04-14 2022-06-10 河北工程大学 Sweet potato fermented beverage and preparation method thereof

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